﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Stone.Library.Common
{
    public class String2pyHelper
    {
        ///   汉字转拼音缩写   
        ///   Code   By   MuseStudio@hotmail.com   
        ///   2004-11-30   
        ///   </summary>   
        ///   <param   name="str">要转换的汉字字符串</param>  
        ///   <returns>拼音缩写</returns>   
        public static string GetPYStr(string str)
        {
            StringBuilder tempStr = new StringBuilder();
            foreach (char c in str)
            {
                if ((int)c >= 33 && (int)c <= 126)
                {//字母和符号原样保留   
                    tempStr.Append(c.ToString());
                }
                else
                {//累加拼音声母   
                    tempStr.Append(GetPYChar(c.ToString()));
                }
            }
            return tempStr.ToString();

        }
        ///   <summary>   
        ///   取单个字符的拼音声母   
        ///   Code   By   MuseStudio@hotmail.com   
        ///   2004-11-30   
        ///   </summary>   
        ///   <param   name="c">要转换的单个汉字</param>   
        ///   <returns>拼音声母</returns>   
        public static string GetPYChar(string c)
        {
            byte[] array = new byte[2];
            array = System.Text.Encoding.Default.GetBytes(c);
           int i = (short)(array[0] - '\0') * 256 + ((short)(array[1] - '\0'));
            if (i < 0xB0A1) return "*";
            if (i < 0xB0C5) return "a";
            if (i < 0xB2C1) return "b";
            if (i < 0xB4EE) return "c";
            if (i < 0xB6EA) return "d";
            if (i < 0xB7A2) return "e";
            if (i < 0xB8C1) return "f";
            if (i < 0xB9FE) return "g";
            if (i < 0xBBF7) return "h";
            if (i < 0xBFA6) return "j";
            if (i < 0xC0AC) return "k";
            if (i < 0xC2E8) return "l";
            if (i < 0xC4C3) return "m";
            if (i < 0xC5B6) return "n";
            if (i < 0xC5BE) return "o";
            if (i < 0xC6DA) return "p";
            if (i < 0xC8BB) return "q";
            if (i < 0xC8F6) return "r";
            if (i < 0xCBFA) return "s";
            if (i < 0xCDDA) return "t";
            if (i < 0xCEF4) return "w";
            if (i < 0xD1B9) return "x";
            if (i < 0xD4D1) return "y";
            if (i < 0xD7FA) return "z";
            return "*";
        }
    }
}
